Di-Sodium hydrogen phosphate anhydrous
EP, USP + LEC + Microbiological requirements
CAS #:
7558-79-4
Molecular Formula:
Na2HPO4
Synonym:
SodiumPhosphate,Dibasic, Dibasic Sodium Phosphate, Disodium Hydrogen Phosphate, Disodium Phosphate
Molecular Weight:
141.96 g/mol
Overview
Dibasic Sodium Phosphate, Dried, is used as a saline laxative to treat constipation or to clean the bowel before a colonoscopy. Anhydrous disodium hydrogen phosphate is a white, hygroscopic, odorless powder. Hydrated forms available include the dihydrate: a white crystalline, odorless solid; the heptahydrate: white, odorless, efflorescent crystals or granular powder; and the dodecahydrate: white, efflorescent, odorless powder or crystals.
| Characters | Unit | Specification |
|---|---|---|
| Identity A (EP,BP) | Acc.to requirements | |
| Identity B (EP,BP) | Acc.to requirements | |
| Identity C (EP,BP) | Acc.to requirements | |
| Identity D (EP,BP) | Acc.to requirements | |
| Identity A (USP) | Acc.to requirements | |
| Identity B (USP) | Acc.to requirements | |
| Appearance of solution (EP,BP) | Correlates to test | |
| Reducing substances (EP,BP) | Correlates to test | |
| Assay (EP,BP) | % | 98,0-101,0 |
| Assay (USP) | % | 98,0-100,5 |
| Loss on drying (EP,BP) | % | <=1,0 |
| Loss on drying (USP/NF) | % | <=5,0 |
| Insoluble matter in water (USP) | % | <=0,4 |
| Heavy metals (as Pb) | mg/kg | <=10 |
| Arsenic (USP) | mg/kg | <=16 |
| Arsenic (EP,BP) | mg/kg | <=2 |
| Iron (EP,BP) | mg/kg | <=20 |
| Monosodium phosphate (EP,BP) | % | <=2,5 |
| Sulphates (USP) | mg/kg | <=2000 |
| Sulfates (EP,BP) | mg/kg | <=500 |
| Chlorides (USP) | mg/kg | <=600 |
| Chlorides (EP,BP) | mg/kg | <=200 |
| Bacterial endotoxine | lU/g | <=5 |
| TAMC 30oC (Total aerobic microbial count) | cfu/g | <=50 |
| TYMC | cfu/g | <=10 |
| Escherichia coli | cfu/g | |
| Staphylococcus aureus | cfu/g | |
| Pseudomonas aeruginosa | cfu/g | |
| Salmonella | cfu/10g |
Shelf Life/Retest Date: Disodium hydrogen Phosphate anhydrous Cas No - 7558-79-4can be kept for at least 3 years if stored in a cool and dry place.
Storage/Shipping Conditions:
- Keep container tightly closed in a cool, well-ventilated place.
- Storage temperature recommended: < 25°C
Pack Sizes: 5 Kg
